5687997864 has 96 divisors (see below), whose sum is σ = 14697184320. Its totient is φ = 1834366464.

The previous prime is 5687997859. The next prime is 5687997869. The reversal of 5687997864 is 4687997865.

It is an interprime number because it is at equal distance from previous prime (5687997859) and next prime (5687997869).

It is not an unprimeable number, because it can be changed into a prime (5687997869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7655077 + ... + 7655819.

It is an arithmetic number, because the mean of its divisors is an integer number (153095670).

Almost surely, 2^5687997864 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5687997864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7348592160).

5687997864 is an abundant number, since it is smaller than the sum of its proper divisors (9009186456).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5687997864 is a wasteful number, since it uses less digits than its factorization.

5687997864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1059 (or 1018 counting only the distinct ones).

The product of its digits is 182891520, while the sum is 69.

The square root of 5687997864 is about 75418.8163789382. The cubic root of 5687997864 is about 1785.0613284643.

Subtracting from 5687997864 its reverse (4687997865), we obtain a palindrome (999999999).

The spelling of 5687997864 in words is "five billion, six hundred eighty-seven million, nine hundred ninety-seven thousand, eight hundred sixty-four".